36 Gallon Custom Roto-Mold RV Water Tank (MPN: W-531)

Description

The Custom Roto-Mold 36 Gallon RV Water Tank (Part# W-531) is engineered to meet the demands of mobile potable water storage in a wide range of compact and mobile living applications. Made from rotationally molded polyethylene resin, this tank offers long-lasting durability and safe potable water performance.

Designed for use in recreational vehicles, food trucks, tiny homes, and campers, this 36-gallon tank delivers a versatile and space-efficient solution for storing fresh water while on the move.

Its seamless one-piece construction offers exceptional resistance to cracking, leaking, and structural fatigue. Built with FDA-approved, food-grade polyethylene, the tank complies with FDA regulation 21 CFR 177.1520 (1) 3.1 and 3.2, making it fully approved for potable water storage.

Key Features

• 36-Gallon Capacity: Ideal for low- to medium-capacity fresh water systems in RVs and mobile living environments.
• Rotationally Molded Polyethylene: One-piece construction provides superior strength and eliminates weak points.
• FDA-Compliant Materials: Built with food-grade polyethylene resin for safe potable water use.
• Space-Efficient Dimensions: Measures 54" x 28" x 7.5", offering a low-profile design for shallow or under-floor installations.
• Highly Durable: Engineered to endure vibration, thermal changes, and rugged handling in mobile applications.
• Blank Configuration: Ships without pre-installed fittings, allowing full customization of the plumbing setup.
• Made in the USA: Proudly manufactured in Oregon using certified, food-safe materials.
  

Specifications

• Product Type: RV Fresh Water Tank
• Part Number: W-531
• Capacity: 36 Gallons
• Dimensions: 54" L x 28" W x 7.5" H
• Weight: 18 lbs
• Material: FDA-Compliant Polyethylene
• Color: Natural (Translucent White)
• Fittings: Blank (No pre-installed fittings)
• Manufacturing Location: Oregon, USA
• Application: Potable Water
  

Shipping & Warranty

Shipping Information

• Manufacture Lead Time: 4-5 Week Lead Time 
  
• Ships From (State): ID
  

Products are subject to freight or parcel shipping costs. Shipping charges are calculated at checkout based on delivery location, product size, weight, and carrier requirements.

Each tank is manufactured and assembled in the USA using high-quality materials and strict quality control standards—built for long-term, dependable use in demanding applications.

Warranty Information

Warranty coverage varies by manufacturer and product type. For warranty details or to initiate a warranty claim, please contact Tank Supply Direct at info@tanksupplydirect.com.

Price Match Guarantee

If you find the 36 Gallon Custom Roto-Mold Water Tank (W-531) offered at a lower price from any authorized competitor within 6 months of purchase, we’ll match the price and refund the difference.

Contact: info@tanksupplydirect.com